﻿using System;
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.InteropServices;
using System.ComponentModel.Design;
using System.Windows.Forms;
using CiStatus.CiStatusAddIn.Logic;
using CiStatus.CiStatusAddIn.Views;
using CiStatus.CiStatusAddIn.Views.ToolsOptionsViews;
using CiStatus.CiStatusAddIn.Views.ToolWindowViews;
using Microsoft.VisualStudio.Shell.Interop;
using Microsoft.VisualStudio.Shell;

namespace CiStatus.CiStatusAddIn
{
    /// <summary>
    /// This is the class that implements the package exposed by this assembly.
    ///
    /// The minimum requirement for a class to be considered a valid package for Visual Studio
    /// is to implement the IVsPackage interface and register itself with the shell.
    /// This package uses the helper classes defined inside the Managed Package Framework (MPF)
    /// to do it: it derives from the Package class that provides the implementation of the 
    /// IVsPackage interface and uses the registration attributes defined in the framework to 
    /// register itself and its components with the shell.
    /// </summary>
    // This attribute tells the PkgDef creation utility (CreatePkgDef.exe) that this class is
    // a package.
    [PackageRegistration(UseManagedResourcesOnly = true)]
    // This attribute is used to register the informations needed to show the this package
    // in the Help/About dialog of Visual Studio.
    [InstalledProductRegistration("#110", "#112", "1.0", IconResourceID = 400)]

    [ProvideOptionPageAttribute(typeof(OptionsPage), "CiStatus", "Custom", 101, 107, true)]
  
    // This attribute is needed to let the shell know that this package exposes some menus.
    [ProvideMenuResource("Menus.ctmenu", 1)]
    // This attribute registers a tool window exposed by this package.
    [ProvideToolWindow(typeof(CiStatusToolWindow))]

    [Guid(GuidList.guidCiStatusAddInPkgString)]
    public sealed class CiStatusAddInPackage : Package
    {
        /// <summary>
        /// Default constructor of the package.
        /// Inside this method you can place any initialization code that does not require 
        /// any Visual Studio service because at this point the package object is created but 
        /// not sited yet inside Visual Studio environment. The place to do all the other 
        /// initialization is the Initialize method.
        /// </summary>
        public CiStatusAddInPackage()
        {
            Trace.WriteLine(string.Format(CultureInfo.CurrentCulture, "Entering constructor for: {0}", this.ToString()));
        }

        /// <summary>
        /// This function is called when the user clicks the menu item that shows the 
        /// tool window. See the Initialize method to see how the menu item is associated to 
        /// this function using the OleMenuCommandService service and the MenuCommand class.
        /// </summary>
        private void ShowToolWindow(object sender, EventArgs e)
        {
            // Get the instance number 0 of this tool window. This window is single instance so this instance
            // is actually the only one.
            // The last flag is set to true so that if the tool window does not exists it will be created.
            try
            {
                var window = FindToolWindow(typeof(CiStatusToolWindow), 0, true);

                if ((null == window) || (null == window.Frame))
                {
                    throw new NotSupportedException(Resources.CanNotCreateWindow);
                }

                var windowFrame = (IVsWindowFrame)window.Frame;
                Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(windowFrame.Show());
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                throw;
            }
            
            
        }


        /////////////////////////////////////////////////////////////////////////////
        // Overriden Package Implementation
        #region Package Members

        /// <summary>
        /// Initialization of the package; this method is called right after the package is sited, so this is the place
        /// where you can put all the initilaization code that rely on services provided by VisualStudio.
        /// </summary>
        protected override void Initialize()
        {
            Trace.WriteLine(string.Format(CultureInfo.CurrentCulture, "Entering Initialize() of: {0}", this.ToString()));
            base.Initialize();

            // Add our command handlers for menu (commands must exist in the .vsct file)
            OleMenuCommandService mcs = GetService(typeof (IMenuCommandService)) as OleMenuCommandService;
            if (null != mcs)
            {
                // Create the command for the tool window
                CommandID toolwndCommandID = new CommandID(GuidList.guidCiStatusAddInCmdSet,
                                                           (int) PkgCmdIDList.cmdidCiStatus);
                MenuCommand menuToolWin = new MenuCommand(ShowToolWindow, toolwndCommandID);
                mcs.AddCommand(menuToolWin);
            }

        }
        #endregion

    }

    [CLSCompliant(false), ComVisible(true)]
    [ClassInterface(ClassInterfaceType.AutoDual)]   
    [Guid(GuidList.guidCiStatusAddInOptionsPageString)]
    public class OptionsPage : DialogPage
    {
        private string _settings = string.Empty;
        private OptionsCompositeControl _control;
        private string _pluginPath;
        private int _pollingFrequence;


        [Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
        protected override IWin32Window Window
        {
            get
            {
                _control = new OptionsCompositeControl(new SettingsFormatter());
                _control.OptionsPage = this;
                return _control;
            }
        }

        [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
        public string Settings
        {
            get { return _settings; }
            set { _settings = value; }
        }

        [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
        public string PluginPath
        {
            get { return _pluginPath; }
            set { _pluginPath = value; }
        }

        public int PollingFrequence
        {
            get { return _pollingFrequence; }
            set { _pollingFrequence = value;}
        }

        protected override void OnApply(PageApplyEventArgs e)
        {
            _settings = _control.Settings;
            _pluginPath = _control.PluginPath;
            _pollingFrequence = _control.PollingFrequence;
            base.OnApply(e);

            var temp = SettingsChanged;
            if (temp != null)
            {
                temp(this, new EventArgs());
            }
        }
        
        public static event SettingsChangedEvent SettingsChanged;
    }

    public delegate void SettingsChangedEvent(object sender, EventArgs e);
}
